/*
 * Base compartilhada do aspnetpro.com.br: tokens, header com menu, rodapé e botões.
 * O CSS específico de cada página continua inline no próprio <style>.
 * Carregar antes do <style> da página:  <link rel="stylesheet" href="/assets/css/base.css">
 * Tokens com prefixo --site-: páginas antigas definem --accent/--border/--muted em outros formatos
 * (ex.: HSL no curso Razor Pages) e não podem quebrar o menu.
 */
:root {
  --site-bg: #0a0c10;
  --site-surface: #13161d;
  --site-surface-2: #0e1117;
  --site-border: #232834;
  --site-border-strong: #3a4150;
  --site-text: #eef1f6;
  --site-text-soft: #c4cad5;
  --site-muted: #aab2c0;
  --site-muted-2: #8b93a2;
  --site-accent: #a98bff;
  --site-accent-2: #7c5cff;
  --site-accent-glow: rgba(169,139,255,0.18);
  --site-accent-soft: rgba(169,139,255,0.1);
  --site-green: #6ee7a8;
  --site-whatsapp: #25D366;
  --site-container: 1120px;
  --site-font-display: 'Space Grotesk', sans-serif;
  --site-font-body: 'IBM Plex Sans', sans-serif;
  --site-font-mono: 'JetBrains Mono', monospace;
}

/* ======= HEADER + MENU ======= */
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); background: rgba(10,12,16,0.85); border-bottom: 1px solid #1a1f29; }
.site-header .inner { max-width: var(--site-container); margin: 0 auto; padding: 12px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.site-logo { display: flex; align-items: center; }
.site-logo img { height: 32px; width: auto; display: block; }
.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav a { font-family: var(--site-font-body); font-size: 15px; font-weight: 500; color: var(--site-muted); text-decoration: none; padding: 10px 12px; border-radius: 8px; transition: color .2s, background-color .2s; }
.site-nav a:hover { color: var(--site-text); background: rgba(255,255,255,0.04); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--site-text); }
.site-nav .ui-btn { margin-left: 8px; }
.site-nav a:focus-visible, .site-menu-toggle:focus-visible { outline: 2px solid var(--site-accent); outline-offset: 2px; }
.site-menu-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 10px; border: 1px solid var(--site-border); background: transparent; color: var(--site-text); cursor: pointer; }
.site-menu-toggle svg { width: 22px; height: 22px; }

@media (max-width: 820px) {
  .site-menu-toggle { display: inline-flex; }
  .site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 2px; padding: 12px 16px 18px; background: rgba(10,12,16,0.98); border-bottom: 1px solid #1a1f29; }
  .site-header.nav-open .site-nav { display: flex; }
  .site-nav a { padding: 14px 12px; font-size: 16px; }
  .site-nav .ui-btn { margin: 8px 0 0; justify-content: center; }
}

/* ======= BOTÕES ======= */
.ui-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 20px; border-radius: 10px; border: 1px solid transparent; font-family: var(--site-font-body); font-weight: 600; font-size: 15px; line-height: 1; text-decoration: none; cursor: pointer; transition: filter .2s, border-color .2s, background-color .2s; }
.ui-btn:hover { filter: brightness(1.08); text-decoration: none; }
.ui-btn:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.ui-btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.ui-btn--primary { background: var(--site-accent); color: #0a0c10; }
.ui-btn--ghost { background: transparent; color: var(--site-text); border-color: var(--site-border-strong); }
.ui-btn--ghost:hover { border-color: var(--site-accent); filter: none; }
.ui-btn--whatsapp { background: var(--site-whatsapp); color: #0a0c10; }
.site-nav a.ui-btn--whatsapp { color: #0a0c10; background: var(--site-whatsapp); }
.ui-btn--lg { min-height: 52px; padding: 0 26px; font-size: 16px; }

/* ======= RODAPÉ ======= */
.site-footer { padding: 40px 0; border-top: 1px solid #14181f; }
.site-footer .inner { max-width: var(--site-container); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.site-footer .brand-name { font-family: var(--site-font-display); font-weight: 700; font-size: 14px; color: var(--site-muted); }
.site-footer .brand-name span { color: var(--site-accent); }
.site-footer .links { display: flex; gap: 6px 18px; flex-wrap: wrap; }
.site-footer .links a, .site-footer .links button { font-family: var(--site-font-mono); font-size: 12px; color: var(--site-muted-2); background: none; border: none; padding: 6px 0; cursor: pointer; text-decoration: none; }
.site-footer .links a:hover, .site-footer .links button:hover { color: var(--site-text); text-decoration: none; }
.site-footer .legal { font-family: var(--site-font-mono); font-size: 12px; color: var(--site-muted-2); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}